Canon Line Offset Noise

Started Oct 20, 2009 | Discussions thread
JimH Forum Pro • Posts: 12,911
Re: About options

If they can control the variations closely enough to keep this kind of pattern noise down to very low levels using other means, then it may well make sense for them to use every bit of precious sensor area for actual image capture.

But if they can't, then I suspect a lot of people would gladly give up some percentage of the sensor's active area in exchange for the improvements we could derive from the masked pixels.

The problem is especially sticky because the masked areas need to be outside of the already established "active" sensor area. Nobody wants their 1.6X sensor to suddenly be a 1.7X sensor. So the die would actually need to be larger, and of course that adds cost.

I suspect that they do agonize over these decisions.

Who knows, there may be some engineers in Japan, reading this, and saying: "See, See! Some of our customers wanted that, but you wouldn't do it!!"

And then there may be others saying: "Well, but most customers don't have a clue about all of this, and most of the cameras are working fine. So we're still making more money by leaving the masked areas off."

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Jim H.

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